query:
	delete |
	insert |
	update |
	xid_event ;

xid_event:
	START TRANSACTION | COMMIT ;
insert:
	INSERT INTO table_name ( field_name ) VALUES ( digit ) ;

update:
	UPDATE table_name SET field_name = digit ;

delete:
	DELETE FROM table_name WHERE field_name = digit ;

field_name:
	`int_key` ;

table_name:
	C ;